feature: vor und nachteile

praesentation/node_modules/unhead/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) Harlan Wilton <harlan@harlanzw.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

praesentation/node_modules/unhead/dist/index.cjs

@@ -0,0 +1,764 @@
+'use strict';
+
+const dom = require('@unhead/dom');
+const shared = require('@unhead/shared');
+const hookable = require('hookable');
+
+const UsesMergeStrategy = /* @__PURE__ */ new Set(["templateParams", "htmlAttrs", "bodyAttrs"]);
+const DedupePlugin = shared.defineHeadPlugin({
+  hooks: {
+    "tag:normalise": ({ tag }) => {
+      if (tag.props.hid) {
+        tag.key = tag.props.hid;
+        delete tag.props.hid;
+      }
+      if (tag.props.vmid) {
+        tag.key = tag.props.vmid;
+        delete tag.props.vmid;
+      }
+      if (tag.props.key) {
+        tag.key = tag.props.key;
+        delete tag.props.key;
+      }
+      const generatedKey = shared.tagDedupeKey(tag);
+      if (generatedKey && !generatedKey.startsWith("meta:og:") && !generatedKey.startsWith("meta:twitter:")) {
+        delete tag.key;
+      }
+      const dedupe = generatedKey || (tag.key ? `${tag.tag}:${tag.key}` : false);
+      if (dedupe)
+        tag._d = dedupe;
+    },
+    "tags:resolve": (ctx) => {
+      const deduping = /* @__PURE__ */ Object.create(null);
+      for (const tag of ctx.tags) {
+        const dedupeKey = (tag.key ? `${tag.tag}:${tag.key}` : tag._d) || shared.hashTag(tag);
+        const dupedTag = deduping[dedupeKey];
+        if (dupedTag) {
+          let strategy = tag?.tagDuplicateStrategy;
+          if (!strategy && UsesMergeStrategy.has(tag.tag))
+            strategy = "merge";
+          if (strategy === "merge") {
+            const oldProps = dupedTag.props;
+            if (oldProps.style && tag.props.style) {
+              if (oldProps.style[oldProps.style.length - 1] !== ";") {
+                oldProps.style += ";";
+              }
+              tag.props.style = `${oldProps.style} ${tag.props.style}`;
+            }
+            if (oldProps.class && tag.props.class) {
+              tag.props.class = `${oldProps.class} ${tag.props.class}`;
+            } else if (oldProps.class) {
+              tag.props.class = oldProps.class;
+            }
+            deduping[dedupeKey].props = {
+              ...oldProps,
+              ...tag.props
+            };
+            continue;
+          } else if (tag._e === dupedTag._e) {
+            dupedTag._duped = dupedTag._duped || [];
+            tag._d = `${dupedTag._d}:${dupedTag._duped.length + 1}`;
+            dupedTag._duped.push(tag);
+            continue;
+          } else if (shared.tagWeight(tag) > shared.tagWeight(dupedTag)) {
+            continue;
+          }
+        }
+        const hasProps = tag.innerHTML || tag.textContent || Object.keys(tag.props).length !== 0;
+        if (!hasProps && shared.HasElementTags.has(tag.tag)) {
+          delete deduping[dedupeKey];
+          continue;
+        }
+        deduping[dedupeKey] = tag;
+      }
+      const newTags = [];
+      for (const key in deduping) {
+        const tag = deduping[key];
+        const dupes = tag._duped;
+        newTags.push(tag);
+        if (dupes) {
+          delete tag._duped;
+          newTags.push(...dupes);
+        }
+      }
+      ctx.tags = newTags;
+      ctx.tags = ctx.tags.filter((t) => !(t.tag === "meta" && (t.props.name || t.props.property) && !t.props.content));
+    }
+  }
+});
+
+const ValidEventTags = /* @__PURE__ */ new Set(["script", "link", "bodyAttrs"]);
+const EventHandlersPlugin = shared.defineHeadPlugin((head) => ({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (!ValidEventTags.has(tag.tag)) {
+          continue;
+        }
+        const props = tag.props;
+        for (const key in props) {
+          if (key[0] !== "o" || key[1] !== "n") {
+            continue;
+          }
+          if (!Object.prototype.hasOwnProperty.call(props, key)) {
+            continue;
+          }
+          const value = props[key];
+          if (typeof value !== "function") {
+            continue;
+          }
+          if (head.ssr && shared.NetworkEvents.has(key)) {
+            props[key] = `this.dataset.${key}fired = true`;
+          } else {
+            delete props[key];
+          }
+          tag._eventHandlers = tag._eventHandlers || {};
+          tag._eventHandlers[key] = value;
+        }
+        if (head.ssr && tag._eventHandlers && (tag.props.src || tag.props.href)) {
+          tag.key = tag.key || shared.hashCode(tag.props.src || tag.props.href);
+        }
+      }
+    },
+    "dom:renderTag": ({ $el, tag }) => {
+      const dataset = $el?.dataset;
+      if (!dataset) {
+        return;
+      }
+      for (const k in dataset) {
+        if (!k.endsWith("fired")) {
+          continue;
+        }
+        const ek = k.slice(0, -5);
+        if (!shared.NetworkEvents.has(ek)) {
+          continue;
+        }
+        tag._eventHandlers?.[ek]?.call($el, new Event(ek.substring(2)));
+      }
+    }
+  }
+}));
+
+const DupeableTags = /* @__PURE__ */ new Set(["link", "style", "script", "noscript"]);
+const HashKeyedPlugin = shared.defineHeadPlugin({
+  hooks: {
+    "tag:normalise": ({ tag }) => {
+      if (tag.key && DupeableTags.has(tag.tag)) {
+        tag.props["data-hid"] = tag._h = shared.hashCode(tag.key);
+      }
+    }
+  }
+});
+
+const PayloadPlugin = shared.defineHeadPlugin({
+  mode: "server",
+  hooks: {
+    "tags:beforeResolve": (ctx) => {
+      const payload = {};
+      let hasPayload = false;
+      for (const tag of ctx.tags) {
+        if (tag._m !== "server" || tag.tag !== "titleTemplate" && tag.tag !== "templateParams" && tag.tag !== "title") {
+          continue;
+        }
+        payload[tag.tag] = tag.tag === "title" || tag.tag === "titleTemplate" ? tag.textContent : tag.props;
+        hasPayload = true;
+      }
+      if (hasPayload) {
+        ctx.tags.push({
+          tag: "script",
+          innerHTML: JSON.stringify(payload),
+          props: { id: "unhead:payload", type: "application/json" }
+        });
+      }
+    }
+  }
+});
+
+const SortPlugin = shared.defineHeadPlugin({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (typeof tag.tagPriority !== "string") {
+          continue;
+        }
+        for (const { prefix, offset } of shared.SortModifiers) {
+          if (!tag.tagPriority.startsWith(prefix)) {
+            continue;
+          }
+          const key = tag.tagPriority.substring(prefix.length);
+          const position = ctx.tags.find((tag2) => tag2._d === key)?._p;
+          if (position !== void 0) {
+            tag._p = position + offset;
+            break;
+          }
+        }
+      }
+      ctx.tags.sort((a, b) => {
+        const aWeight = shared.tagWeight(a);
+        const bWeight = shared.tagWeight(b);
+        if (aWeight < bWeight) {
+          return -1;
+        } else if (aWeight > bWeight) {
+          return 1;
+        }
+        return a._p - b._p;
+      });
+    }
+  }
+});
+
+const SupportedAttrs = {
+  meta: "content",
+  link: "href",
+  htmlAttrs: "lang"
+};
+const contentAttrs = ["innerHTML", "textContent"];
+const TemplateParamsPlugin = shared.defineHeadPlugin((head) => ({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      const { tags } = ctx;
+      let templateParams;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag !== "templateParams") {
+          continue;
+        }
+        templateParams = ctx.tags.splice(i, 1)[0].props;
+        i -= 1;
+      }
+      const params = templateParams || {};
+      const sep = params.separator || "|";
+      delete params.separator;
+      params.pageTitle = shared.processTemplateParams(
+        // find templateParams
+        params.pageTitle || tags.find((tag) => tag.tag === "title")?.textContent || "",
+        params,
+        sep
+      );
+      for (const tag of tags) {
+        if (tag.processTemplateParams === false) {
+          continue;
+        }
+        const v = SupportedAttrs[tag.tag];
+        if (v && typeof tag.props[v] === "string") {
+          tag.props[v] = shared.processTemplateParams(tag.props[v], params, sep);
+        } else if (tag.processTemplateParams || tag.tag === "titleTemplate" || tag.tag === "title") {
+          for (const p of contentAttrs) {
+            if (typeof tag[p] === "string")
+              tag[p] = shared.processTemplateParams(tag[p], params, sep, tag.tag === "script" && tag.props.type.endsWith("json"));
+          }
+        }
+      }
+      head._templateParams = params;
+      head._separator = sep;
+    },
+    "tags:afterResolve": ({ tags }) => {
+      let title;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag === "title" && tag.processTemplateParams !== false) {
+          title = tag;
+        }
+      }
+      if (title?.textContent) {
+        title.textContent = shared.processTemplateParams(title.textContent, head._templateParams, head._separator);
+      }
+    }
+  }
+}));
+
+const TitleTemplatePlugin = shared.defineHeadPlugin({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      const { tags } = ctx;
+      let titleTag;
+      let titleTemplateTag;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag === "title") {
+          titleTag = tag;
+        } else if (tag.tag === "titleTemplate") {
+          titleTemplateTag = tag;
+        }
+      }
+      if (titleTemplateTag && titleTag) {
+        const newTitle = shared.resolveTitleTemplate(
+          titleTemplateTag.textContent,
+          titleTag.textContent
+        );
+        if (newTitle !== null) {
+          titleTag.textContent = newTitle || titleTag.textContent;
+        } else {
+          ctx.tags.splice(ctx.tags.indexOf(titleTag), 1);
+        }
+      } else if (titleTemplateTag) {
+        const newTitle = shared.resolveTitleTemplate(
+          titleTemplateTag.textContent
+        );
+        if (newTitle !== null) {
+          titleTemplateTag.textContent = newTitle;
+          titleTemplateTag.tag = "title";
+          titleTemplateTag = void 0;
+        }
+      }
+      if (titleTemplateTag) {
+        ctx.tags.splice(ctx.tags.indexOf(titleTemplateTag), 1);
+      }
+    }
+  }
+});
+
+const XSSPlugin = shared.defineHeadPlugin({
+  hooks: {
+    "tags:afterResolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (typeof tag.innerHTML === "string") {
+          if (tag.innerHTML && (tag.props.type === "application/ld+json" || tag.props.type === "application/json")) {
+            tag.innerHTML = tag.innerHTML.replace(/</g, "\\u003C");
+          } else {
+            tag.innerHTML = tag.innerHTML.replace(new RegExp(`</${tag.tag}`, "g"), `<\\/${tag.tag}`);
+          }
+        }
+      }
+    }
+  }
+});
+
+let activeHead;
+// @__NO_SIDE_EFFECTS__
+function createHead(options = {}) {
+  const head = createHeadCore(options);
+  head.use(dom.DomPlugin());
+  return activeHead = head;
+}
+// @__NO_SIDE_EFFECTS__
+function createServerHead(options = {}) {
+  return activeHead = createHeadCore(options);
+}
+function filterMode(mode, ssr) {
+  return !mode || mode === "server" && ssr || mode === "client" && !ssr;
+}
+function createHeadCore(options = {}) {
+  const hooks = hookable.createHooks();
+  hooks.addHooks(options.hooks || {});
+  options.document = options.document || (shared.IsBrowser ? document : void 0);
+  const ssr = !options.document;
+  const updated = () => {
+    head.dirty = true;
+    hooks.callHook("entries:updated", head);
+  };
+  let entryCount = 0;
+  let entries = [];
+  const plugins = [];
+  const head = {
+    plugins,
+    dirty: false,
+    resolvedOptions: options,
+    hooks,
+    headEntries() {
+      return entries;
+    },
+    use(p) {
+      const plugin = typeof p === "function" ? p(head) : p;
+      if (!plugin.key || !plugins.some((p2) => p2.key === plugin.key)) {
+        plugins.push(plugin);
+        filterMode(plugin.mode, ssr) && hooks.addHooks(plugin.hooks || {});
+      }
+    },
+    push(input, entryOptions) {
+      delete entryOptions?.head;
+      const entry = {
+        _i: entryCount++,
+        input,
+        ...entryOptions
+      };
+      if (filterMode(entry.mode, ssr)) {
+        entries.push(entry);
+        updated();
+      }
+      return {
+        dispose() {
+          entries = entries.filter((e) => e._i !== entry._i);
+          updated();
+        },
+        // a patch is the same as creating a new entry, just a nice DX
+        patch(input2) {
+          for (const e of entries) {
+            if (e._i === entry._i) {
+              e.input = entry.input = input2;
+            }
+          }
+          updated();
+        }
+      };
+    },
+    async resolveTags() {
+      const resolveCtx = { tags: [], entries: [...entries] };
+      await hooks.callHook("entries:resolve", resolveCtx);
+      for (const entry of resolveCtx.entries) {
+        const resolved = entry.resolvedInput || entry.input;
+        entry.resolvedInput = await (entry.transform ? entry.transform(resolved) : resolved);
+        if (entry.resolvedInput) {
+          for (const tag of await shared.normaliseEntryTags(entry)) {
+            const tagCtx = { tag, entry, resolvedOptions: head.resolvedOptions };
+            await hooks.callHook("tag:normalise", tagCtx);
+            resolveCtx.tags.push(tagCtx.tag);
+          }
+        }
+      }
+      await hooks.callHook("tags:beforeResolve", resolveCtx);
+      await hooks.callHook("tags:resolve", resolveCtx);
+      await hooks.callHook("tags:afterResolve", resolveCtx);
+      return resolveCtx.tags;
+    },
+    ssr
+  };
+  [
+    DedupePlugin,
+    PayloadPlugin,
+    EventHandlersPlugin,
+    HashKeyedPlugin,
+    SortPlugin,
+    TemplateParamsPlugin,
+    TitleTemplatePlugin,
+    XSSPlugin,
+    ...options?.plugins || []
+  ].forEach((p) => head.use(p));
+  head.hooks.callHook("init", head);
+  return head;
+}
+
+const unheadComposablesImports = [
+  {
+    from: "unhead",
+    imports: shared.composableNames
+  }
+];
+
+function getActiveHead() {
+  return activeHead;
+}
+
+function useHead(input, options = {}) {
+  const head = options.head || getActiveHead();
+  return head?.push(input, options);
+}
+
+function useHeadSafe(input, options) {
+  return useHead(input, {
+    ...options,
+    transform: shared.whitelistSafeInput
+  });
+}
+
+const ScriptProxyTarget = Symbol("ScriptProxyTarget");
+function scriptProxy() {
+}
+scriptProxy[ScriptProxyTarget] = true;
+function resolveScriptKey(input) {
+  return input.key || shared.hashCode(input.src || (typeof input.innerHTML === "string" ? input.innerHTML : ""));
+}
+function useScript(_input, _options) {
+  const input = typeof _input === "string" ? { src: _input } : _input;
+  const options = _options || {};
+  const head = options.head || getActiveHead();
+  if (!head)
+    throw new Error("Missing Unhead context.");
+  const id = resolveScriptKey(input);
+  const prevScript = head._scripts?.[id];
+  if (prevScript) {
+    prevScript.setupTriggerHandler(options.trigger);
+    return prevScript;
+  }
+  options.beforeInit?.();
+  const syncStatus = (s) => {
+    script.status = s;
+    head.hooks.callHook(`script:updated`, hookCtx);
+  };
+  shared.ScriptNetworkEvents.forEach((fn) => {
+    const _fn = typeof input[fn] === "function" ? input[fn].bind(options.eventContext) : null;
+    input[fn] = (e) => {
+      syncStatus(fn === "onload" ? "loaded" : fn === "onerror" ? "error" : "loading");
+      _fn?.(e);
+    };
+  });
+  const _cbs = { loaded: [], error: [] };
+  const _registerCb = (key, cb) => {
+    if (_cbs[key]) {
+      const i = _cbs[key].push(cb);
+      return () => _cbs[key]?.splice(i - 1, 1);
+    }
+    cb(script.instance);
+    return () => {
+    };
+  };
+  const loadPromise = new Promise((resolve) => {
+    if (head.ssr)
+      return;
+    const emit = (api) => requestAnimationFrame(() => resolve(api));
+    const _ = head.hooks.hook("script:updated", ({ script: script2 }) => {
+      const status = script2.status;
+      if (script2.id === id && (status === "loaded" || status === "error")) {
+        if (status === "loaded") {
+          if (typeof options.use === "function") {
+            const api = options.use();
+            if (api) {
+              emit(api);
+            }
+          } else {
+            emit({});
+          }
+        } else if (status === "error") {
+          resolve(false);
+        }
+        _();
+      }
+    });
+  });
+  const script = Object.assign(loadPromise, {
+    instance: !head.ssr && options?.use?.() || null,
+    proxy: null,
+    id,
+    status: "awaitingLoad",
+    remove() {
+      script._triggerAbortController?.abort();
+      script._triggerPromises = [];
+      if (script.entry) {
+        script.entry.dispose();
+        script.entry = void 0;
+        syncStatus("removed");
+        delete head._scripts?.[id];
+        return true;
+      }
+      return false;
+    },
+    load(cb) {
+      script._triggerAbortController?.abort();
+      script._triggerPromises = [];
+      if (!script.entry) {
+        syncStatus("loading");
+        const defaults = {
+          defer: true,
+          fetchpriority: "low"
+        };
+        if (input.src && (input.src.startsWith("http") || input.src.startsWith("//"))) {
+          defaults.crossorigin = "anonymous";
+          defaults.referrerpolicy = "no-referrer";
+        }
+        script.entry = head.push({
+          script: [{ ...defaults, ...input, key: `script.${id}` }]
+        }, options);
+      }
+      if (cb)
+        _registerCb("loaded", cb);
+      return loadPromise;
+    },
+    onLoaded(cb) {
+      return _registerCb("loaded", cb);
+    },
+    onError(cb) {
+      return _registerCb("error", cb);
+    },
+    setupTriggerHandler(trigger) {
+      if (script.status !== "awaitingLoad") {
+        return;
+      }
+      if ((typeof trigger === "undefined" || trigger === "client") && !head.ssr || trigger === "server") {
+        script.load();
+      } else if (trigger instanceof Promise) {
+        if (head.ssr) {
+          return;
+        }
+        if (!script._triggerAbortController) {
+          script._triggerAbortController = new AbortController();
+          script._triggerAbortPromise = new Promise((resolve) => {
+            script._triggerAbortController.signal.addEventListener("abort", () => {
+              script._triggerAbortController = null;
+              resolve();
+            });
+          });
+        }
+        script._triggerPromises = script._triggerPromises || [];
+        const idx = script._triggerPromises.push(Promise.race([
+          trigger.then((v) => typeof v === "undefined" || v ? script.load : void 0),
+          script._triggerAbortPromise
+        ]).catch(() => {
+        }).then((res2) => {
+          res2?.();
+        }).finally(() => {
+          script._triggerPromises?.splice(idx, 1);
+        }));
+      } else if (typeof trigger === "function") {
+        trigger(script.load);
+      }
+    },
+    _cbs
+  });
+  loadPromise.then((api) => {
+    if (api !== false) {
+      script.instance = api;
+      _cbs.loaded?.forEach((cb) => cb(api));
+      _cbs.loaded = null;
+    } else {
+      _cbs.error?.forEach((cb) => cb());
+      _cbs.error = null;
+    }
+  });
+  const hookCtx = { script };
+  script.setupTriggerHandler(options.trigger);
+  script.$script = script;
+  const proxyChain = (instance, accessor, accessors) => {
+    return new Proxy((!accessor ? instance : instance?.[accessor]) || scriptProxy, {
+      get(_, k, r) {
+        head.hooks.callHook("script:instance-fn", { script, fn: k, exists: k in _ });
+        if (!accessor) {
+          const stub = options.stub?.({ script, fn: k });
+          if (stub)
+            return stub;
+        }
+        if (_ && k in _ && typeof _[k] !== "undefined") {
+          return Reflect.get(_, k, r);
+        }
+        if (k === Symbol.iterator) {
+          return [][Symbol.iterator];
+        }
+        return proxyChain(accessor ? instance?.[accessor] : instance, k, accessors || [k]);
+      },
+      async apply(_, _this, args) {
+        if (head.ssr && _[ScriptProxyTarget])
+          return;
+        let instance2;
+        const access = (fn2) => {
+          instance2 = fn2 || instance2;
+          for (let i = 0; i < (accessors || []).length; i++) {
+            const k = (accessors || [])[i];
+            fn2 = fn2?.[k];
+          }
+          return fn2;
+        };
+        let fn = access(script.instance);
+        if (!fn) {
+          fn = await new Promise((resolve) => {
+            script.onLoaded((api) => {
+              resolve(access(api));
+            });
+          });
+        }
+        return typeof fn === "function" ? Reflect.apply(fn, instance2, args) : fn;
+      }
+    });
+  };
+  script.proxy = proxyChain(script.instance);
+  const res = new Proxy(script, {
+    get(_, k) {
+      const target = k in script || String(k)[0] === "_" ? script : script.proxy;
+      if (k === "then" || k === "catch") {
+        return script[k].bind(script);
+      }
+      return Reflect.get(target, k, target);
+    }
+  });
+  head._scripts = Object.assign(head._scripts || {}, { [id]: res });
+  return res;
+}
+
+function useSeoMeta(input, options) {
+  const { title, titleTemplate, ...meta } = input;
+  return useHead({
+    title,
+    titleTemplate,
+    // we need to input the meta so the reactivity will be resolved
+    // @ts-expect-error runtime type
+    _flatMeta: meta
+  }, {
+    ...options,
+    transform(t) {
+      const meta2 = shared.unpackMeta({ ...t._flatMeta });
+      delete t._flatMeta;
+      return {
+        // @ts-expect-error runtime type
+        ...t,
+        meta: meta2
+      };
+    }
+  });
+}
+
+function useServerHead(input, options = {}) {
+  return useHead(input, { ...options, mode: "server" });
+}
+
+function useServerHeadSafe(input, options = {}) {
+  return useHeadSafe(input, { ...options, mode: "server" });
+}
+
+function useServerSeoMeta(input, options) {
+  return useSeoMeta(input, {
+    ...options,
+    mode: "server"
+  });
+}
+
+const importRe = /@import/;
+// @__NO_SIDE_EFFECTS__
+function CapoPlugin(options) {
+  return shared.defineHeadPlugin({
+    hooks: {
+      "tags:beforeResolve": ({ tags }) => {
+        for (const tag of tags) {
+          if (tag.tagPosition && tag.tagPosition !== "head")
+            continue;
+          tag.tagPriority = tag.tagPriority || shared.tagWeight(tag);
+          if (tag.tagPriority !== 100)
+            continue;
+          const isTruthy = (val) => val === "" || val === true;
+          const isScript = tag.tag === "script";
+          const isLink = tag.tag === "link";
+          if (isScript && isTruthy(tag.props.async)) {
+            tag.tagPriority = 30;
+          } else if (tag.tag === "style" && tag.innerHTML && importRe.test(tag.innerHTML)) {
+            tag.tagPriority = 40;
+          } else if (isScript && tag.props.src && !isTruthy(tag.props.defer) && !isTruthy(tag.props.async) && tag.props.type !== "module" && !tag.props.type?.endsWith("json")) {
+            tag.tagPriority = 50;
+          } else if (isLink && tag.props.rel === "stylesheet" || tag.tag === "style") {
+            tag.tagPriority = 60;
+          } else if (isLink && (tag.props.rel === "preload" || tag.props.rel === "modulepreload")) {
+            tag.tagPriority = 70;
+          } else if (isScript && isTruthy(tag.props.defer) && tag.props.src && !isTruthy(tag.props.async)) {
+            tag.tagPriority = 80;
+          } else if (isLink && (tag.props.rel === "prefetch" || tag.props.rel === "dns-prefetch" || tag.props.rel === "prerender")) {
+            tag.tagPriority = 90;
+          }
+        }
+        options?.track && tags.push({
+          tag: "htmlAttrs",
+          props: {
+            "data-capo": ""
+          }
+        });
+      }
+    }
+  });
+}
+
+// @__NO_SIDE_EFFECTS__
+function HashHydrationPlugin() {
+  return shared.defineHeadPlugin({});
+}
+
+exports.composableNames = shared.composableNames;
+exports.CapoPlugin = CapoPlugin;
+exports.HashHydrationPlugin = HashHydrationPlugin;
+exports.createHead = createHead;
+exports.createHeadCore = createHeadCore;
+exports.createServerHead = createServerHead;
+exports.getActiveHead = getActiveHead;
+exports.resolveScriptKey = resolveScriptKey;
+exports.unheadComposablesImports = unheadComposablesImports;
+exports.useHead = useHead;
+exports.useHeadSafe = useHeadSafe;
+exports.useScript = useScript;
+exports.useSeoMeta = useSeoMeta;
+exports.useServerHead = useServerHead;
+exports.useServerHeadSafe = useServerHeadSafe;
+exports.useServerSeoMeta = useServerSeoMeta;

praesentation/node_modules/unhead/dist/index.d.cts

@@ -0,0 +1,58 @@
+import * as _unhead_schema from '@unhead/schema';
+import { Head, CreateHeadOptions, Unhead, MergeHead, HeadEntryOptions, ActiveHeadEntry, HeadSafe, ScriptInstance, AsAsyncFunctionValues, UseScriptResolvedInput, UseScriptInput, UseScriptOptions, UseFunctionType, UseSeoMetaInput } from '@unhead/schema';
+export { composableNames } from '@unhead/shared';
+
+declare function createHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+declare function createServerHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+/**
+ * Creates a core instance of unhead. Does not provide a global ctx for composables to work
+ * and does not register DOM plugins.
+ *
+ * @param options
+ */
+declare function createHeadCore<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+
+declare const unheadComposablesImports: {
+    from: string;
+    imports: string[];
+}[];
+
+declare function getActiveHead(): _unhead_schema.Unhead<any> | undefined;
+
+type UseHeadInput<T extends MergeHead> = Head<T>;
+declare function useHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useHeadSafe(input: HeadSafe, options?: HeadEntryOptions): ActiveHeadEntry<HeadSafe> | void;
+
+type UseScriptContext<T extends Record<symbol | string, any>> = (Promise<T> & ScriptInstance<T>) & AsAsyncFunctionValues<T> & {
+    /**
+     * @deprecated Use top-level functions instead.
+     */
+    $script: Promise<T> & ScriptInstance<T>;
+};
+declare function resolveScriptKey(input: UseScriptResolvedInput): any;
+/**
+ * Load third-party scripts with SSR support and a proxied API.
+ *
+ * @see https://unhead.unjs.io/usage/composables/use-script
+ */
+declare function useScript<T extends Record<symbol | string, any> = Record<symbol | string, any>, U = Record<symbol | string, any>>(_input: UseScriptInput, _options?: UseScriptOptions<T, U>): UseScriptContext<UseFunctionType<UseScriptOptions<T, U>, T>>;
+
+declare function useSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function useServerHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useServerHeadSafe<T extends HeadSafe>(input: T, options?: HeadEntryOptions): ActiveHeadEntry<T> | void;
+
+declare function useServerSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function CapoPlugin(options: {
+    track?: boolean;
+}): _unhead_schema.HeadPluginInput;
+
+/**
+ * @deprecated Hash hydration is no longer supported. Please remove this plugin.
+ */
+declare function HashHydrationPlugin(): _unhead_schema.HeadPluginInput;
+
+export { CapoPlugin, HashHydrationPlugin, type UseHeadInput, type UseScriptContext, createHead, createHeadCore, createServerHead, getActiveHead, resolveScriptKey, unheadComposablesImports, useHead, useHeadSafe, useScript, useSeoMeta, useServerHead, useServerHeadSafe, useServerSeoMeta };

praesentation/node_modules/unhead/dist/index.d.mts

@@ -0,0 +1,58 @@
+import * as _unhead_schema from '@unhead/schema';
+import { Head, CreateHeadOptions, Unhead, MergeHead, HeadEntryOptions, ActiveHeadEntry, HeadSafe, ScriptInstance, AsAsyncFunctionValues, UseScriptResolvedInput, UseScriptInput, UseScriptOptions, UseFunctionType, UseSeoMetaInput } from '@unhead/schema';
+export { composableNames } from '@unhead/shared';
+
+declare function createHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+declare function createServerHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+/**
+ * Creates a core instance of unhead. Does not provide a global ctx for composables to work
+ * and does not register DOM plugins.
+ *
+ * @param options
+ */
+declare function createHeadCore<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+
+declare const unheadComposablesImports: {
+    from: string;
+    imports: string[];
+}[];
+
+declare function getActiveHead(): _unhead_schema.Unhead<any> | undefined;
+
+type UseHeadInput<T extends MergeHead> = Head<T>;
+declare function useHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useHeadSafe(input: HeadSafe, options?: HeadEntryOptions): ActiveHeadEntry<HeadSafe> | void;
+
+type UseScriptContext<T extends Record<symbol | string, any>> = (Promise<T> & ScriptInstance<T>) & AsAsyncFunctionValues<T> & {
+    /**
+     * @deprecated Use top-level functions instead.
+     */
+    $script: Promise<T> & ScriptInstance<T>;
+};
+declare function resolveScriptKey(input: UseScriptResolvedInput): any;
+/**
+ * Load third-party scripts with SSR support and a proxied API.
+ *
+ * @see https://unhead.unjs.io/usage/composables/use-script
+ */
+declare function useScript<T extends Record<symbol | string, any> = Record<symbol | string, any>, U = Record<symbol | string, any>>(_input: UseScriptInput, _options?: UseScriptOptions<T, U>): UseScriptContext<UseFunctionType<UseScriptOptions<T, U>, T>>;
+
+declare function useSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function useServerHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useServerHeadSafe<T extends HeadSafe>(input: T, options?: HeadEntryOptions): ActiveHeadEntry<T> | void;
+
+declare function useServerSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function CapoPlugin(options: {
+    track?: boolean;
+}): _unhead_schema.HeadPluginInput;
+
+/**
+ * @deprecated Hash hydration is no longer supported. Please remove this plugin.
+ */
+declare function HashHydrationPlugin(): _unhead_schema.HeadPluginInput;
+
+export { CapoPlugin, HashHydrationPlugin, type UseHeadInput, type UseScriptContext, createHead, createHeadCore, createServerHead, getActiveHead, resolveScriptKey, unheadComposablesImports, useHead, useHeadSafe, useScript, useSeoMeta, useServerHead, useServerHeadSafe, useServerSeoMeta };

praesentation/node_modules/unhead/dist/index.d.ts

@@ -0,0 +1,58 @@
+import * as _unhead_schema from '@unhead/schema';
+import { Head, CreateHeadOptions, Unhead, MergeHead, HeadEntryOptions, ActiveHeadEntry, HeadSafe, ScriptInstance, AsAsyncFunctionValues, UseScriptResolvedInput, UseScriptInput, UseScriptOptions, UseFunctionType, UseSeoMetaInput } from '@unhead/schema';
+export { composableNames } from '@unhead/shared';
+
+declare function createHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+declare function createServerHead<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+/**
+ * Creates a core instance of unhead. Does not provide a global ctx for composables to work
+ * and does not register DOM plugins.
+ *
+ * @param options
+ */
+declare function createHeadCore<T extends {} = Head>(options?: CreateHeadOptions): Unhead<T>;
+
+declare const unheadComposablesImports: {
+    from: string;
+    imports: string[];
+}[];
+
+declare function getActiveHead(): _unhead_schema.Unhead<any> | undefined;
+
+type UseHeadInput<T extends MergeHead> = Head<T>;
+declare function useHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useHeadSafe(input: HeadSafe, options?: HeadEntryOptions): ActiveHeadEntry<HeadSafe> | void;
+
+type UseScriptContext<T extends Record<symbol | string, any>> = (Promise<T> & ScriptInstance<T>) & AsAsyncFunctionValues<T> & {
+    /**
+     * @deprecated Use top-level functions instead.
+     */
+    $script: Promise<T> & ScriptInstance<T>;
+};
+declare function resolveScriptKey(input: UseScriptResolvedInput): any;
+/**
+ * Load third-party scripts with SSR support and a proxied API.
+ *
+ * @see https://unhead.unjs.io/usage/composables/use-script
+ */
+declare function useScript<T extends Record<symbol | string, any> = Record<symbol | string, any>, U = Record<symbol | string, any>>(_input: UseScriptInput, _options?: UseScriptOptions<T, U>): UseScriptContext<UseFunctionType<UseScriptOptions<T, U>, T>>;
+
+declare function useSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function useServerHead<T extends MergeHead>(input: UseHeadInput<T>, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput<T>> | void;
+
+declare function useServerHeadSafe<T extends HeadSafe>(input: T, options?: HeadEntryOptions): ActiveHeadEntry<T> | void;
+
+declare function useServerSeoMeta(input: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<any> | void;
+
+declare function CapoPlugin(options: {
+    track?: boolean;
+}): _unhead_schema.HeadPluginInput;
+
+/**
+ * @deprecated Hash hydration is no longer supported. Please remove this plugin.
+ */
+declare function HashHydrationPlugin(): _unhead_schema.HeadPluginInput;
+
+export { CapoPlugin, HashHydrationPlugin, type UseHeadInput, type UseScriptContext, createHead, createHeadCore, createServerHead, getActiveHead, resolveScriptKey, unheadComposablesImports, useHead, useHeadSafe, useScript, useSeoMeta, useServerHead, useServerHeadSafe, useServerSeoMeta };

praesentation/node_modules/unhead/dist/index.mjs

@@ -0,0 +1,748 @@
+import { DomPlugin } from '@unhead/dom';
+import { defineHeadPlugin, tagDedupeKey, hashTag, tagWeight, HasElementTags, NetworkEvents, hashCode, SortModifiers, processTemplateParams, resolveTitleTemplate, IsBrowser, normaliseEntryTags, composableNames, whitelistSafeInput, ScriptNetworkEvents, unpackMeta } from '@unhead/shared';
+export { composableNames } from '@unhead/shared';
+import { createHooks } from 'hookable';
+
+const UsesMergeStrategy = /* @__PURE__ */ new Set(["templateParams", "htmlAttrs", "bodyAttrs"]);
+const DedupePlugin = defineHeadPlugin({
+  hooks: {
+    "tag:normalise": ({ tag }) => {
+      if (tag.props.hid) {
+        tag.key = tag.props.hid;
+        delete tag.props.hid;
+      }
+      if (tag.props.vmid) {
+        tag.key = tag.props.vmid;
+        delete tag.props.vmid;
+      }
+      if (tag.props.key) {
+        tag.key = tag.props.key;
+        delete tag.props.key;
+      }
+      const generatedKey = tagDedupeKey(tag);
+      if (generatedKey && !generatedKey.startsWith("meta:og:") && !generatedKey.startsWith("meta:twitter:")) {
+        delete tag.key;
+      }
+      const dedupe = generatedKey || (tag.key ? `${tag.tag}:${tag.key}` : false);
+      if (dedupe)
+        tag._d = dedupe;
+    },
+    "tags:resolve": (ctx) => {
+      const deduping = /* @__PURE__ */ Object.create(null);
+      for (const tag of ctx.tags) {
+        const dedupeKey = (tag.key ? `${tag.tag}:${tag.key}` : tag._d) || hashTag(tag);
+        const dupedTag = deduping[dedupeKey];
+        if (dupedTag) {
+          let strategy = tag?.tagDuplicateStrategy;
+          if (!strategy && UsesMergeStrategy.has(tag.tag))
+            strategy = "merge";
+          if (strategy === "merge") {
+            const oldProps = dupedTag.props;
+            if (oldProps.style && tag.props.style) {
+              if (oldProps.style[oldProps.style.length - 1] !== ";") {
+                oldProps.style += ";";
+              }
+              tag.props.style = `${oldProps.style} ${tag.props.style}`;
+            }
+            if (oldProps.class && tag.props.class) {
+              tag.props.class = `${oldProps.class} ${tag.props.class}`;
+            } else if (oldProps.class) {
+              tag.props.class = oldProps.class;
+            }
+            deduping[dedupeKey].props = {
+              ...oldProps,
+              ...tag.props
+            };
+            continue;
+          } else if (tag._e === dupedTag._e) {
+            dupedTag._duped = dupedTag._duped || [];
+            tag._d = `${dupedTag._d}:${dupedTag._duped.length + 1}`;
+            dupedTag._duped.push(tag);
+            continue;
+          } else if (tagWeight(tag) > tagWeight(dupedTag)) {
+            continue;
+          }
+        }
+        const hasProps = tag.innerHTML || tag.textContent || Object.keys(tag.props).length !== 0;
+        if (!hasProps && HasElementTags.has(tag.tag)) {
+          delete deduping[dedupeKey];
+          continue;
+        }
+        deduping[dedupeKey] = tag;
+      }
+      const newTags = [];
+      for (const key in deduping) {
+        const tag = deduping[key];
+        const dupes = tag._duped;
+        newTags.push(tag);
+        if (dupes) {
+          delete tag._duped;
+          newTags.push(...dupes);
+        }
+      }
+      ctx.tags = newTags;
+      ctx.tags = ctx.tags.filter((t) => !(t.tag === "meta" && (t.props.name || t.props.property) && !t.props.content));
+    }
+  }
+});
+
+const ValidEventTags = /* @__PURE__ */ new Set(["script", "link", "bodyAttrs"]);
+const EventHandlersPlugin = defineHeadPlugin((head) => ({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (!ValidEventTags.has(tag.tag)) {
+          continue;
+        }
+        const props = tag.props;
+        for (const key in props) {
+          if (key[0] !== "o" || key[1] !== "n") {
+            continue;
+          }
+          if (!Object.prototype.hasOwnProperty.call(props, key)) {
+            continue;
+          }
+          const value = props[key];
+          if (typeof value !== "function") {
+            continue;
+          }
+          if (head.ssr && NetworkEvents.has(key)) {
+            props[key] = `this.dataset.${key}fired = true`;
+          } else {
+            delete props[key];
+          }
+          tag._eventHandlers = tag._eventHandlers || {};
+          tag._eventHandlers[key] = value;
+        }
+        if (head.ssr && tag._eventHandlers && (tag.props.src || tag.props.href)) {
+          tag.key = tag.key || hashCode(tag.props.src || tag.props.href);
+        }
+      }
+    },
+    "dom:renderTag": ({ $el, tag }) => {
+      const dataset = $el?.dataset;
+      if (!dataset) {
+        return;
+      }
+      for (const k in dataset) {
+        if (!k.endsWith("fired")) {
+          continue;
+        }
+        const ek = k.slice(0, -5);
+        if (!NetworkEvents.has(ek)) {
+          continue;
+        }
+        tag._eventHandlers?.[ek]?.call($el, new Event(ek.substring(2)));
+      }
+    }
+  }
+}));
+
+const DupeableTags = /* @__PURE__ */ new Set(["link", "style", "script", "noscript"]);
+const HashKeyedPlugin = defineHeadPlugin({
+  hooks: {
+    "tag:normalise": ({ tag }) => {
+      if (tag.key && DupeableTags.has(tag.tag)) {
+        tag.props["data-hid"] = tag._h = hashCode(tag.key);
+      }
+    }
+  }
+});
+
+const PayloadPlugin = defineHeadPlugin({
+  mode: "server",
+  hooks: {
+    "tags:beforeResolve": (ctx) => {
+      const payload = {};
+      let hasPayload = false;
+      for (const tag of ctx.tags) {
+        if (tag._m !== "server" || tag.tag !== "titleTemplate" && tag.tag !== "templateParams" && tag.tag !== "title") {
+          continue;
+        }
+        payload[tag.tag] = tag.tag === "title" || tag.tag === "titleTemplate" ? tag.textContent : tag.props;
+        hasPayload = true;
+      }
+      if (hasPayload) {
+        ctx.tags.push({
+          tag: "script",
+          innerHTML: JSON.stringify(payload),
+          props: { id: "unhead:payload", type: "application/json" }
+        });
+      }
+    }
+  }
+});
+
+const SortPlugin = defineHeadPlugin({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (typeof tag.tagPriority !== "string") {
+          continue;
+        }
+        for (const { prefix, offset } of SortModifiers) {
+          if (!tag.tagPriority.startsWith(prefix)) {
+            continue;
+          }
+          const key = tag.tagPriority.substring(prefix.length);
+          const position = ctx.tags.find((tag2) => tag2._d === key)?._p;
+          if (position !== void 0) {
+            tag._p = position + offset;
+            break;
+          }
+        }
+      }
+      ctx.tags.sort((a, b) => {
+        const aWeight = tagWeight(a);
+        const bWeight = tagWeight(b);
+        if (aWeight < bWeight) {
+          return -1;
+        } else if (aWeight > bWeight) {
+          return 1;
+        }
+        return a._p - b._p;
+      });
+    }
+  }
+});
+
+const SupportedAttrs = {
+  meta: "content",
+  link: "href",
+  htmlAttrs: "lang"
+};
+const contentAttrs = ["innerHTML", "textContent"];
+const TemplateParamsPlugin = defineHeadPlugin((head) => ({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      const { tags } = ctx;
+      let templateParams;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag !== "templateParams") {
+          continue;
+        }
+        templateParams = ctx.tags.splice(i, 1)[0].props;
+        i -= 1;
+      }
+      const params = templateParams || {};
+      const sep = params.separator || "|";
+      delete params.separator;
+      params.pageTitle = processTemplateParams(
+        // find templateParams
+        params.pageTitle || tags.find((tag) => tag.tag === "title")?.textContent || "",
+        params,
+        sep
+      );
+      for (const tag of tags) {
+        if (tag.processTemplateParams === false) {
+          continue;
+        }
+        const v = SupportedAttrs[tag.tag];
+        if (v && typeof tag.props[v] === "string") {
+          tag.props[v] = processTemplateParams(tag.props[v], params, sep);
+        } else if (tag.processTemplateParams || tag.tag === "titleTemplate" || tag.tag === "title") {
+          for (const p of contentAttrs) {
+            if (typeof tag[p] === "string")
+              tag[p] = processTemplateParams(tag[p], params, sep, tag.tag === "script" && tag.props.type.endsWith("json"));
+          }
+        }
+      }
+      head._templateParams = params;
+      head._separator = sep;
+    },
+    "tags:afterResolve": ({ tags }) => {
+      let title;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag === "title" && tag.processTemplateParams !== false) {
+          title = tag;
+        }
+      }
+      if (title?.textContent) {
+        title.textContent = processTemplateParams(title.textContent, head._templateParams, head._separator);
+      }
+    }
+  }
+}));
+
+const TitleTemplatePlugin = defineHeadPlugin({
+  hooks: {
+    "tags:resolve": (ctx) => {
+      const { tags } = ctx;
+      let titleTag;
+      let titleTemplateTag;
+      for (let i = 0; i < tags.length; i += 1) {
+        const tag = tags[i];
+        if (tag.tag === "title") {
+          titleTag = tag;
+        } else if (tag.tag === "titleTemplate") {
+          titleTemplateTag = tag;
+        }
+      }
+      if (titleTemplateTag && titleTag) {
+        const newTitle = resolveTitleTemplate(
+          titleTemplateTag.textContent,
+          titleTag.textContent
+        );
+        if (newTitle !== null) {
+          titleTag.textContent = newTitle || titleTag.textContent;
+        } else {
+          ctx.tags.splice(ctx.tags.indexOf(titleTag), 1);
+        }
+      } else if (titleTemplateTag) {
+        const newTitle = resolveTitleTemplate(
+          titleTemplateTag.textContent
+        );
+        if (newTitle !== null) {
+          titleTemplateTag.textContent = newTitle;
+          titleTemplateTag.tag = "title";
+          titleTemplateTag = void 0;
+        }
+      }
+      if (titleTemplateTag) {
+        ctx.tags.splice(ctx.tags.indexOf(titleTemplateTag), 1);
+      }
+    }
+  }
+});
+
+const XSSPlugin = defineHeadPlugin({
+  hooks: {
+    "tags:afterResolve": (ctx) => {
+      for (const tag of ctx.tags) {
+        if (typeof tag.innerHTML === "string") {
+          if (tag.innerHTML && (tag.props.type === "application/ld+json" || tag.props.type === "application/json")) {
+            tag.innerHTML = tag.innerHTML.replace(/</g, "\\u003C");
+          } else {
+            tag.innerHTML = tag.innerHTML.replace(new RegExp(`</${tag.tag}`, "g"), `<\\/${tag.tag}`);
+          }
+        }
+      }
+    }
+  }
+});
+
+let activeHead;
+// @__NO_SIDE_EFFECTS__
+function createHead(options = {}) {
+  const head = createHeadCore(options);
+  head.use(DomPlugin());
+  return activeHead = head;
+}
+// @__NO_SIDE_EFFECTS__
+function createServerHead(options = {}) {
+  return activeHead = createHeadCore(options);
+}
+function filterMode(mode, ssr) {
+  return !mode || mode === "server" && ssr || mode === "client" && !ssr;
+}
+function createHeadCore(options = {}) {
+  const hooks = createHooks();
+  hooks.addHooks(options.hooks || {});
+  options.document = options.document || (IsBrowser ? document : void 0);
+  const ssr = !options.document;
+  const updated = () => {
+    head.dirty = true;
+    hooks.callHook("entries:updated", head);
+  };
+  let entryCount = 0;
+  let entries = [];
+  const plugins = [];
+  const head = {
+    plugins,
+    dirty: false,
+    resolvedOptions: options,
+    hooks,
+    headEntries() {
+      return entries;
+    },
+    use(p) {
+      const plugin = typeof p === "function" ? p(head) : p;
+      if (!plugin.key || !plugins.some((p2) => p2.key === plugin.key)) {
+        plugins.push(plugin);
+        filterMode(plugin.mode, ssr) && hooks.addHooks(plugin.hooks || {});
+      }
+    },
+    push(input, entryOptions) {
+      delete entryOptions?.head;
+      const entry = {
+        _i: entryCount++,
+        input,
+        ...entryOptions
+      };
+      if (filterMode(entry.mode, ssr)) {
+        entries.push(entry);
+        updated();
+      }
+      return {
+        dispose() {
+          entries = entries.filter((e) => e._i !== entry._i);
+          updated();
+        },
+        // a patch is the same as creating a new entry, just a nice DX
+        patch(input2) {
+          for (const e of entries) {
+            if (e._i === entry._i) {
+              e.input = entry.input = input2;
+            }
+          }
+          updated();
+        }
+      };
+    },
+    async resolveTags() {
+      const resolveCtx = { tags: [], entries: [...entries] };
+      await hooks.callHook("entries:resolve", resolveCtx);
+      for (const entry of resolveCtx.entries) {
+        const resolved = entry.resolvedInput || entry.input;
+        entry.resolvedInput = await (entry.transform ? entry.transform(resolved) : resolved);
+        if (entry.resolvedInput) {
+          for (const tag of await normaliseEntryTags(entry)) {
+            const tagCtx = { tag, entry, resolvedOptions: head.resolvedOptions };
+            await hooks.callHook("tag:normalise", tagCtx);
+            resolveCtx.tags.push(tagCtx.tag);
+          }
+        }
+      }
+      await hooks.callHook("tags:beforeResolve", resolveCtx);
+      await hooks.callHook("tags:resolve", resolveCtx);
+      await hooks.callHook("tags:afterResolve", resolveCtx);
+      return resolveCtx.tags;
+    },
+    ssr
+  };
+  [
+    DedupePlugin,
+    PayloadPlugin,
+    EventHandlersPlugin,
+    HashKeyedPlugin,
+    SortPlugin,
+    TemplateParamsPlugin,
+    TitleTemplatePlugin,
+    XSSPlugin,
+    ...options?.plugins || []
+  ].forEach((p) => head.use(p));
+  head.hooks.callHook("init", head);
+  return head;
+}
+
+const unheadComposablesImports = [
+  {
+    from: "unhead",
+    imports: composableNames
+  }
+];
+
+function getActiveHead() {
+  return activeHead;
+}
+
+function useHead(input, options = {}) {
+  const head = options.head || getActiveHead();
+  return head?.push(input, options);
+}
+
+function useHeadSafe(input, options) {
+  return useHead(input, {
+    ...options,
+    transform: whitelistSafeInput
+  });
+}
+
+const ScriptProxyTarget = Symbol("ScriptProxyTarget");
+function scriptProxy() {
+}
+scriptProxy[ScriptProxyTarget] = true;
+function resolveScriptKey(input) {
+  return input.key || hashCode(input.src || (typeof input.innerHTML === "string" ? input.innerHTML : ""));
+}
+function useScript(_input, _options) {
+  const input = typeof _input === "string" ? { src: _input } : _input;
+  const options = _options || {};
+  const head = options.head || getActiveHead();
+  if (!head)
+    throw new Error("Missing Unhead context.");
+  const id = resolveScriptKey(input);
+  const prevScript = head._scripts?.[id];
+  if (prevScript) {
+    prevScript.setupTriggerHandler(options.trigger);
+    return prevScript;
+  }
+  options.beforeInit?.();
+  const syncStatus = (s) => {
+    script.status = s;
+    head.hooks.callHook(`script:updated`, hookCtx);
+  };
+  ScriptNetworkEvents.forEach((fn) => {
+    const _fn = typeof input[fn] === "function" ? input[fn].bind(options.eventContext) : null;
+    input[fn] = (e) => {
+      syncStatus(fn === "onload" ? "loaded" : fn === "onerror" ? "error" : "loading");
+      _fn?.(e);
+    };
+  });
+  const _cbs = { loaded: [], error: [] };
+  const _registerCb = (key, cb) => {
+    if (_cbs[key]) {
+      const i = _cbs[key].push(cb);
+      return () => _cbs[key]?.splice(i - 1, 1);
+    }
+    cb(script.instance);
+    return () => {
+    };
+  };
+  const loadPromise = new Promise((resolve) => {
+    if (head.ssr)
+      return;
+    const emit = (api) => requestAnimationFrame(() => resolve(api));
+    const _ = head.hooks.hook("script:updated", ({ script: script2 }) => {
+      const status = script2.status;
+      if (script2.id === id && (status === "loaded" || status === "error")) {
+        if (status === "loaded") {
+          if (typeof options.use === "function") {
+            const api = options.use();
+            if (api) {
+              emit(api);
+            }
+          } else {
+            emit({});
+          }
+        } else if (status === "error") {
+          resolve(false);
+        }
+        _();
+      }
+    });
+  });
+  const script = Object.assign(loadPromise, {
+    instance: !head.ssr && options?.use?.() || null,
+    proxy: null,
+    id,
+    status: "awaitingLoad",
+    remove() {
+      script._triggerAbortController?.abort();
+      script._triggerPromises = [];
+      if (script.entry) {
+        script.entry.dispose();
+        script.entry = void 0;
+        syncStatus("removed");
+        delete head._scripts?.[id];
+        return true;
+      }
+      return false;
+    },
+    load(cb) {
+      script._triggerAbortController?.abort();
+      script._triggerPromises = [];
+      if (!script.entry) {
+        syncStatus("loading");
+        const defaults = {
+          defer: true,
+          fetchpriority: "low"
+        };
+        if (input.src && (input.src.startsWith("http") || input.src.startsWith("//"))) {
+          defaults.crossorigin = "anonymous";
+          defaults.referrerpolicy = "no-referrer";
+        }
+        script.entry = head.push({
+          script: [{ ...defaults, ...input, key: `script.${id}` }]
+        }, options);
+      }
+      if (cb)
+        _registerCb("loaded", cb);
+      return loadPromise;
+    },
+    onLoaded(cb) {
+      return _registerCb("loaded", cb);
+    },
+    onError(cb) {
+      return _registerCb("error", cb);
+    },
+    setupTriggerHandler(trigger) {
+      if (script.status !== "awaitingLoad") {
+        return;
+      }
+      if ((typeof trigger === "undefined" || trigger === "client") && !head.ssr || trigger === "server") {
+        script.load();
+      } else if (trigger instanceof Promise) {
+        if (head.ssr) {
+          return;
+        }
+        if (!script._triggerAbortController) {
+          script._triggerAbortController = new AbortController();
+          script._triggerAbortPromise = new Promise((resolve) => {
+            script._triggerAbortController.signal.addEventListener("abort", () => {
+              script._triggerAbortController = null;
+              resolve();
+            });
+          });
+        }
+        script._triggerPromises = script._triggerPromises || [];
+        const idx = script._triggerPromises.push(Promise.race([
+          trigger.then((v) => typeof v === "undefined" || v ? script.load : void 0),
+          script._triggerAbortPromise
+        ]).catch(() => {
+        }).then((res2) => {
+          res2?.();
+        }).finally(() => {
+          script._triggerPromises?.splice(idx, 1);
+        }));
+      } else if (typeof trigger === "function") {
+        trigger(script.load);
+      }
+    },
+    _cbs
+  });
+  loadPromise.then((api) => {
+    if (api !== false) {
+      script.instance = api;
+      _cbs.loaded?.forEach((cb) => cb(api));
+      _cbs.loaded = null;
+    } else {
+      _cbs.error?.forEach((cb) => cb());
+      _cbs.error = null;
+    }
+  });
+  const hookCtx = { script };
+  script.setupTriggerHandler(options.trigger);
+  script.$script = script;
+  const proxyChain = (instance, accessor, accessors) => {
+    return new Proxy((!accessor ? instance : instance?.[accessor]) || scriptProxy, {
+      get(_, k, r) {
+        head.hooks.callHook("script:instance-fn", { script, fn: k, exists: k in _ });
+        if (!accessor) {
+          const stub = options.stub?.({ script, fn: k });
+          if (stub)
+            return stub;
+        }
+        if (_ && k in _ && typeof _[k] !== "undefined") {
+          return Reflect.get(_, k, r);
+        }
+        if (k === Symbol.iterator) {
+          return [][Symbol.iterator];
+        }
+        return proxyChain(accessor ? instance?.[accessor] : instance, k, accessors || [k]);
+      },
+      async apply(_, _this, args) {
+        if (head.ssr && _[ScriptProxyTarget])
+          return;
+        let instance2;
+        const access = (fn2) => {
+          instance2 = fn2 || instance2;
+          for (let i = 0; i < (accessors || []).length; i++) {
+            const k = (accessors || [])[i];
+            fn2 = fn2?.[k];
+          }
+          return fn2;
+        };
+        let fn = access(script.instance);
+        if (!fn) {
+          fn = await new Promise((resolve) => {
+            script.onLoaded((api) => {
+              resolve(access(api));
+            });
+          });
+        }
+        return typeof fn === "function" ? Reflect.apply(fn, instance2, args) : fn;
+      }
+    });
+  };
+  script.proxy = proxyChain(script.instance);
+  const res = new Proxy(script, {
+    get(_, k) {
+      const target = k in script || String(k)[0] === "_" ? script : script.proxy;
+      if (k === "then" || k === "catch") {
+        return script[k].bind(script);
+      }
+      return Reflect.get(target, k, target);
+    }
+  });
+  head._scripts = Object.assign(head._scripts || {}, { [id]: res });
+  return res;
+}
+
+function useSeoMeta(input, options) {
+  const { title, titleTemplate, ...meta } = input;
+  return useHead({
+    title,
+    titleTemplate,
+    // we need to input the meta so the reactivity will be resolved
+    // @ts-expect-error runtime type
+    _flatMeta: meta
+  }, {
+    ...options,
+    transform(t) {
+      const meta2 = unpackMeta({ ...t._flatMeta });
+      delete t._flatMeta;
+      return {
+        // @ts-expect-error runtime type
+        ...t,
+        meta: meta2
+      };
+    }
+  });
+}
+
+function useServerHead(input, options = {}) {
+  return useHead(input, { ...options, mode: "server" });
+}
+
+function useServerHeadSafe(input, options = {}) {
+  return useHeadSafe(input, { ...options, mode: "server" });
+}
+
+function useServerSeoMeta(input, options) {
+  return useSeoMeta(input, {
+    ...options,
+    mode: "server"
+  });
+}
+
+const importRe = /@import/;
+// @__NO_SIDE_EFFECTS__
+function CapoPlugin(options) {
+  return defineHeadPlugin({
+    hooks: {
+      "tags:beforeResolve": ({ tags }) => {
+        for (const tag of tags) {
+          if (tag.tagPosition && tag.tagPosition !== "head")
+            continue;
+          tag.tagPriority = tag.tagPriority || tagWeight(tag);
+          if (tag.tagPriority !== 100)
+            continue;
+          const isTruthy = (val) => val === "" || val === true;
+          const isScript = tag.tag === "script";
+          const isLink = tag.tag === "link";
+          if (isScript && isTruthy(tag.props.async)) {
+            tag.tagPriority = 30;
+          } else if (tag.tag === "style" && tag.innerHTML && importRe.test(tag.innerHTML)) {
+            tag.tagPriority = 40;
+          } else if (isScript && tag.props.src && !isTruthy(tag.props.defer) && !isTruthy(tag.props.async) && tag.props.type !== "module" && !tag.props.type?.endsWith("json")) {
+            tag.tagPriority = 50;
+          } else if (isLink && tag.props.rel === "stylesheet" || tag.tag === "style") {
+            tag.tagPriority = 60;
+          } else if (isLink && (tag.props.rel === "preload" || tag.props.rel === "modulepreload")) {
+            tag.tagPriority = 70;
+          } else if (isScript && isTruthy(tag.props.defer) && tag.props.src && !isTruthy(tag.props.async)) {
+            tag.tagPriority = 80;
+          } else if (isLink && (tag.props.rel === "prefetch" || tag.props.rel === "dns-prefetch" || tag.props.rel === "prerender")) {
+            tag.tagPriority = 90;
+          }
+        }
+        options?.track && tags.push({
+          tag: "htmlAttrs",
+          props: {
+            "data-capo": ""
+          }
+        });
+      }
+    }
+  });
+}
+
+// @__NO_SIDE_EFFECTS__
+function HashHydrationPlugin() {
+  return defineHeadPlugin({});
+}
+
+export { CapoPlugin, HashHydrationPlugin, createHead, createHeadCore, createServerHead, getActiveHead, resolveScriptKey, unheadComposablesImports, useHead, useHeadSafe, useScript, useSeoMeta, useServerHead, useServerHeadSafe, useServerSeoMeta };

praesentation/node_modules/unhead/package.json

@@ -0,0 +1,46 @@
+{
+  "name": "unhead",
+  "type": "module",
+  "version": "1.11.20",
+  "author": {
+    "name": "Harlan Wilton",
+    "email": "harlan@harlanzw.com",
+    "url": "https://harlanzw.com/"
+  },
+  "license": "MIT",
+  "funding": "https://github.com/sponsors/harlan-zw",
+  "homepage": "https://unhead.unjs.io",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/unjs/unhead.git",
+    "directory": "packages/unhead"
+  },
+  "bugs": {
+    "url": "https://github.com/unjs/unhead/issues"
+  },
+  "sideEffects": false,
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs"
+    }
+  },
+  "main": "dist/index.cjs",
+  "module": "dist/index.mjs",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "dependencies": {
+    "hookable": "^5.5.3",
+    "@unhead/dom": "1.11.20",
+    "@unhead/shared": "1.11.20",
+    "@unhead/schema": "1.11.20"
+  },
+  "scripts": {
+    "build": "unbuild .",
+    "stub": "unbuild . --stub",
+    "export:sizes": "npx export-size . -r"
+  }
+}